{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x7f2f03417616199faed46fc1afbbed69e3e704426cbfbb1f159241562bd7f490",
    "signature": "0x7afd1402fee15e214b463e6e0ec66056b16eb9566fa12fcebc56dfe9c9a684c33937e0920c3db1d159c8d2c7ebf71164f020eb5fb0e357c40f1425ba595c2c341b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}